Section 4 - Auger Drive Components

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NW (LH) BOX
FOR INSTALLATION
OF TOP MOUNT
SWIVEL
WATER/AIR
COURSE
THROUGH
THE SPINDLE
LOCK BOLTS TO
SECURE AUGER
SPINDLE
ATTACHMENTS
B-58/59
ROTARY BOX
NWJ
PIN DOWN
4-1/4 (108MM) I.D.
HOLLOW STEM
AUGER BOX
4-1/4 (108MM) I.D.
HOLLOW STEM AUGER PIN 
WITH MOUNTING FLANGE
GIMBAL
COUPLING
FLANGE MOUNTED 
HOLLOW STEM AUGER BOX
SAFETY STYLE
AUGER DRIVE
COUPLING
MANUAL
ROD CHUCK
Auger Drive Components
HD GIMBAL
COUPLING
MOUNTING
FLANGE
LOCKING
WEDGE
POCKET 3-3/8“ (86mm) 
THREADED HSA BOX 
FLANGE MOUNTED
Auger Drive Components
Gimbal Coupling
Description Part # lb./kg.
ADAPTER: 3-Key AUGER (3-Key)
3-1⁄4″ HSA (83mm) 213296 19(8.6)
4-1⁄4″ HSA (108mm) 150480 27 (12.2)
6-5⁄8″ HSA (168mm) 150453 35 (15.9)
8-1⁄4″HSA (210mm) 216561 40 (18.1)
10-1⁄4″HSA (261mm) 150619 63 (28.6)
12-1⁄4″HSA (311mm) 217486 86 (39.1)
BLANK FLANGE 217013 24 (10.9)
ADAPTER: 2-KEY HEAVY DUTY
4-1⁄4″ HSA (108mm) 150694 27 (12.2)
6-1⁄4″ HSA (159mm) 217904 33 (15.0)
Gimbal Coupling is an open center auger coupling
that can be used with the in-hole sampling
hammer. The coupling connects hollow stem augers to drill
rigs with open spindles and permits continuous access through
the spindle and augers to the bottom of the hole. 
Component Parts
Ref Description Part No. lb./kg.
Gimbal Coupling 61012-01 75 (34)
1 Hex Bolt (8 req’d for B-47HD,B-53 & B-80) 3100-0067
1 Hex Bolt (8 req’d for B-57, B-59 & B-61HDX) 3100-0037
2 Hex Nut (8 req’d for B-47HD, B-53 & B-80) 3122-0008
3 Lock Washer (8 req’d) 3126-0008
4 Top Yoke 052644 20 (9.1)
5 Cross 140632 16 (7.3)
6 Retainer Cap (4 req’d) 140630
7 Lock Washer (8 req’d) 3126-0005
8 Hex Bolt (8 req’d) 3100-0008
9 Pin (4 req’d) 140633 1 (.5)
10 Bearing (4 req’d) 140634 1 (.5)
11 Hex Jam Nut (4 req’d) 3204-0005
12 Set Screw (4 req’d) 3142-0081
13 Bottom Yoke 140631 22 (10)
14 Grease Fitting (4 req’d) 3129-0001
15 Lock Washer (10 req’d) 3126-0005
16 Hex Bolt (10 req’d 3100-0008
Heavy Duty Gimbal Coupling is a heavy duty, 
open center auger coupling that
 can be used within-hole sampling hammers. 
The coupling connects hollow stem
augers to drill rigs with open spindles and 
permits continuous access through the spindle 
and augers to the bottom of the hole.
 Auger sizes are identified by auger I.D.
Auger Drive Components
Heavy Duty Gimbal Coupling
Component Parts
Ref Description Part No.
Gimbal Coupling 61041-01
1 Top Yoke 217792-01
2 Cross 217793
3 Pin 217794
4 Cap, Retainer 217795
5 Lockwasher, 5/16 3129-0005
6 Bearing 217796
7 Bolt, Hex 5/16-18 UNC X 3/4” Lg 3100-0008
8 Nut, Hex Jam 5/16-18 UNC 3204-0005
9 Setscrew, Hex Socket Head 3142-0091
10 Yoke, Bottom 217792-02
11 Lockwasher, 1/2” 3126-0008
12 Bolt, Hex 1/2-13 UNC x 1-1/2” Lg 3100-0037
13 Auger Connector (4-1/4 HSA) 217797
Auger Connector (6-1/4 HSA) 217798
Auger Connector (8-1/4 HSA) 217799
Auger Connector (10-1/4 HSA) 217800
Auger Connector (12-1/4 HSA) 217801
14 Fitting Grease 3129-0001
Gimbal to Hex Adapter
Description Part # lb./kg.
HEX ADAPTER: 3-Key AUGER
3-1⁄4″ (83mm) Pin to 1-5⁄8″ Hex Box 150344-02 11 (5)
3-1⁄4″ (83mm) Pin to 2″ (51mm) Hex Box 150344-01 12 (5.4)
4-1⁄4″ (108mm) Pin to 1-5⁄8″ (41mm) Hex Box 150496-01 15 (6.8)
4-1⁄4″ (108mm) Pin to 2″ (51mm) Hex Box 150496-02 16 (7.3)
6-5⁄8″ (168mm) Pin to 1-5⁄8″ (41mm) Hex Box 150456-01 18 (8.2)
6-5⁄8″ (168mm) Pin to 2″ (51mm) Hex Box 150456-02 18 (8.2)
Heavy Duty Gimbal Coupling is a heavy duty, 
open center auger coupling that
 can be used within-hole sampling hammers. 
The coupling connects hollow stem
augers to drill rigs with open spindles and 
permits continuous access through the spindle 
and augers to the bottom of the hole.
 Auger sizes are identified by auger I.D.
Gimbal to hex adapters allow using a gimbal 
coupling set upfor Hollow Stem augers to be used to turn 
tools with hex drives. It consists of an auger pin up and 
a hex socket down. Sizes are identified by hollow stem 
auger I.D. and hex size.
Auger Drive Components
Adapter: Hollow Stem Auger Pin Up to 
Hollow Stem Auger Down
Description Part # lb./kg.
SIZE ADAPTER: 3-Key TO 3-Key
4-1⁄4″ (108mm) Pin to 6-5⁄8″ (168mm) Box 150547-02 45 (20.4)
6-5⁄8″ (168mm) Pin to 3-1⁄4″ (83mm) Box 150456-03 24 (10.9)
6-5⁄8″ (168mm) Pin to 4-1⁄4″ (108mm) Box 150456-05 30 (13.6)
6-5⁄8″ (168mm) Pin to 8-1⁄4″ (210mm) Box 150456-07 40 (18.1)
6-5⁄8″ (168mm) Pin to 10-1⁄4″ (260mm) Box 150645-04 68 (30.8)
8-1⁄4″ (210mm) Pin to 4-1⁄4″ (108mm) Box 150539-04 38 (17.2)
8-1⁄4″ (210mm) Pin to 6-5⁄8″ (168mm) Box 150539-05 40 (18.1)
Auger Coupling Assemblies
Description Part No.
1-1⁄8″ (29mm) Hex w/fabricated collar (B-24, B-31) 71109-15
1-5⁄8″ (41mm) Hex w/fabricated collar (B-24, B-31) 71109-14
1-5⁄8″ (41mm) Hex Heavy Duty w/safety collar 
(B-47HD, B-53, B-57, B-59, B-61HDX)
71109-11
2″ (51mm) Hex Heavy Duty w/safety collar 
(B-47HD, B-53, B-57, B-59, B-61HDX)
71109-10
Component Parts
Ref Description Part No.
1 Journal & bearing kit (B-24, B-31) 210146-06
1 Journal & bearing kit (B-47HD, B-53, B-57,
B-59, B-61HDX)
214541
2 Threaded bushing 150308
3 Lockbolt (for 1-1⁄8″ (29mm) Hex 216808-10
3 Lockbolt 216808-02
4 Lower yoke for Heavy Duty 1-5⁄8″ (41mm)
Hex for 71109-11
217279-02
4 Lower yoke 2″ 51mm) Hex for 71109-10 217279-01
* Neoprene boot (Use with P/Ns 71109-14, -15) 217299
* Neoprene boot (Use with P/Ns 71109-10, -11) 217298
5 Flanged yoke (Use with P/Ns 71109-14, -15) 217714
5 Flanged yoke (Use with P/Ns 71109-10, -11) 214542
Coupling is connected to drill spindle through a multi-bolt
flange. A universal joint is connected to the hex socket to
lessen bearing wear on mis-aligned holes. A rubber sheath
completely covers the countersunk connecting bolts to provide
a smooth surface and enhance operator safety.